If you have me, you want to share me. If you share me, you don't have me. What am I?, What comes once in a minute, twice in a moment, but never in a thousand years?, What always ends everything?, I have keys, but no locks. I have space, but no room. You can enter, but you can’t go outside. What am I?, I have seas without water, coasts without sand, towns without people, and mountains without land. What am I?, What coat is best put on wet?, What disappears as soon as you say its name?, How many letters are in "The alphabet"?.

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